rhizoverbBeta
DictionarypusFluid from infection
noun

pus

PUS/pʌs/

Thick yellowish fluid formed in infected tissue.

A little yellow-white pus fills the center of the skin swelling.

Pus: small restrained educational closeup of a minor skin pustule with a little opaque yellow-white fluid at center, on a small patch of otherwise normal light brown skin.
Etymology
pusLatinmatter from a sore

Latin pus already named the matter discharged from a sore. English preserves that medical meaning for the thick fluid produced in infected tissue.

In context

DENTISTRY ’N MORE6:20
the necrotic tissue along with white blood cells and bacteria comprise the pus the pus accumulates
OSTEOMYELITIS

More examples

  • A small amount of pus leaks from the sore.
  • The swollen bump is filled with pus.
  • The doctor sends a sample of pus to the lab.

Similar words

discharge
Any fluid released from the body, not necessarily pus.
exudate
Medical term for fluid seeping from tissue, including noninfected tissue.